{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895079,-0.445907,0.000000,0.000000,0.284008,-0.570094,0.770929,0.000000,-0.342824,0.688157,0.639462,0.000000,-2189577.135642,4395182.437084,4056826.020587,1],    "boundingVolume": {    "region": [2.032917,0.693735,2.033051,0.693860,0.000000,75.953245]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/6_977288.b3dm"}}}